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Operating the Gigaset T500 PRO / Gigaset 300 PRO
Status displays for the DND function
Call Completion on Busy (CCBS)
This key activates the automatic callback function.
The key flashes if the partner station for a call is busy. The user can now (even if he has
already hung up) activate Call Completion on Busy by pressing the key. The key lights up
and signals that Call Completion on Busy is active. The PBX now checks at 10 second
intervals whether the call destination is available. If, after five attempts, the destination is
still not available, an attempt is made every 20 seconds for up to an hour before the
callback function is deactivated and the key goes out again. However, if the person called
is available, the user's phone will ring. As soon as he picks up, the PBX creates the
connection.
This function can only be assigned once, i.e, to one function key. For this reason, the
appropriate component in the list of key types is inactive ("greyed out") after assignment.
You can only activate the key for a call back for one call at a time and not for multiple calls
simultaneously.
Status displays
Call Completion on Busy
Call Completion on Busy
Call Completion on Busy
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Red: The DND function is active throughout
the system. This means that you cannot be
reached on any number. This is also shown
below the menu bar so you can see the DND
status immediately and switch it off even if the
keypad is closed.
Grey: Click on the Do Not Disturb key to cancel
the DND status. The additional display
beneath the menu is closed.
Grey: Initial status, inactive
Yellow: Key flashes when a call has been made and the
other party is busy. CCBS is possible. Click the mouse to
activate the function.
Red: CCBS is active. The system now attempts to reach
the busy number at regular intervals.
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